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Re: Review of 'row-progression-01[1-8].xht'

From: Shiozawa, Hajime <hajime.shiozawa@gmail.com>
Date: Thu, 15 Jan 2015 22:49:58 +0900
Message-ID: <CAHSwuKNS-tT75Nk5G6rwN0P73pc3C9EB6x7Z-wwwZw+6+05Udw@mail.gmail.com>
To: Gérard Talbot <css21testsuite@gtalbot.org>
Cc: Public CSS Test suite mailing list <public-css-testsuite@w3.org>, "Elika 'fantasai' Etemad" <fantasai@inkedblade.net>, Koji Ishii <kojiishi@gluesoft.co.jp>
Hi Gérard,

Thank you for your reviewing!
OK, I will apply your review to testcase which I submitted in last week...


2015-01-12 13:19 GMT+09:00 Gérard Talbot <css21testsuite@gtalbot.org>:

> Le 2015-01-11 19:02, Gérard Talbot a écrit :
>
>  Le 2015-01-11 03:22, 塩澤 元 a écrit :
>>
>>> Gérard,
>>>
>>> I have submitted 'direciton: rtl' version.
>>> http://hg.csswg.org/test/rev/77111522a3b0
>>>
>>> Please review these test-cases.
>>>
>>
>> http://test.csswg.org/source/css-writing-modes-3/row-progression-011.xht
>>
>> http://test.csswg.org/source/css-writing-modes-3/row-progression-012.xht
>>
>> http://test.csswg.org/source/css-writing-modes-3/row-progression-013.xht
>>
>> http://test.csswg.org/source/css-writing-modes-3/row-progression-014.xht
>>
>> http://test.csswg.org/source/css-writing-modes-3/row-progression-015.xht
>>
>> http://test.csswg.org/source/css-writing-modes-3/row-progression-016.xht
>>
>> http://test.csswg.org/source/css-writing-modes-3/row-progression-017.xht
>>
>> http://test.csswg.org/source/css-writing-modes-3/row-progression-018.xht
>>
>>
>> Hajime,
>>
>> I think those tests should not be using 'unicode-bidi'... unless you
>> want to specifically test directionality of text inside table cells.
>>
>> I think your tests - without use of 'unicode-bidi' - should be about
>> *_table column ordering_*; how 'direction:rtl' set on a table element
>> affects table column order.
>>
>> When you read the spec and a testable statement of the spec, you want
>> to create a test that will check one and one single aspect of the spec
>> and one and only one statement of the spec. And you want to create
>> filenames for test and test assertion text that will be coherent.
>>
>> When I now rethink this, I do not see how we could create more tests
>> or other tests regarding table rows progression. By definition,
>> 'direction: rtl' and 'unicode-bidi: bidi-override' are not supposed to
>> have any impact, any rendering effect on table row progression to
>> begin with! But 'direction: rtl' should have an impact, a rendering
>> effect on columns order.
>>
>
> I have re-read the spec again and checked a bunch of 'direction' and
> 'unicode-bidi' tests we did in CSS2.1 test suite
>
> http://test.csswg.org/suites/css2.1/nightly-unstable/html4/
> chapter-9.htm#s9.10
>
> and clearly this is the case.
>
> 1-
> Only writing-mode has a rendering effect on row progression (or, if you
> prefer, row right-to-left order for 'writing-mode: vertical-rl' tables or
> row left-to-right order for 'writing-mode: vertical-lr').
>
> 2- Setting 'direction' on a table element only has a rendering effect on
> columns order (or, if you prefer, column top-to-bottom order or column
> bottom-top order)
>
> 3- setting direction on a block container sets the text direction but
> bytes and characters are not reordered (or bidi-reordered); you need
> 'unicode-bidi: bidi-override' to do that.
>
>
>  Are your 'row-progression-01[1-8].xht' tests a waste of time? No. They
>> should probably a) be filename-renamed b) with new <title> and c) with
>> new text assert and check how 'unicode-bidi: override' does to text
>> directionality in table cells and another version of those same
>> 'row-progression-01[1-8].xht' tests should be about table column
>> order.
>>
>> I'll try to create an example of this later.
>>
>
> Hajime, here's the example I had in mind. I took your
>
> http://test.csswg.org/source/css-writing-modes-3/row-progression-011.xht
>
> and then created 2 distinct, modified variants of it:
>
> http://www.gtalbot.org/BrowserBugsSection/CSS3WritingModes/s21direction-
> table-column-order-011-Hajime.xht
>
> and
>
> http://www.gtalbot.org/BrowserBugsSection/CSS3WritingModes/s21-block-
> override-table-cells-011-Hajime.xht
>
> Chrome 39 must have a bug with the rendering of "H&nbsp;" and "V&nbsp;" in
> s21direction-table-column-order-011-Hajime.xht test because it fails, if
> I'm correct, to start the 4th line box with the H (or V) instead of the
> non-breaking-space.
>
> IE11 fails completely s21direction-table-column-order-011-Hajime.xht
>
> IE11 does not, it seems, support 'unicode-bidi: bidi-override' for
> vertical-rl tables.
>
> Gérard
>
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-- 
# 塩澤 元 (Shiozawa, Hajime)
# mail: hajime.shiozawa@gmail.com
Received on Thursday, 15 January 2015 13:50:25 UTC

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